Your'e right about the heat part. But it is the manufactures duty to use a glue that will soften at the right temperature and much before the glue between the display and glass or else it becomes a hit or miss thing. Samsung dealer claims that Samsung have solved the problem in Models in Galaxy S7 onwards.
Eventually the battery will become weak and should be replaceable. At least the older phones lasted even if in somebody else's hands. These unibody phones will otherwise become electronic waste after 3 years.
Eventually the battery will become weak and should be replaceable. At least the older phones lasted even if in somebody else's hands. These unibody phones will otherwise become electronic waste after 3 years.